Can you cook? (-)
No, I can't.
Can fish fly? (-)
No, they can't.
Can they dance? (+)
Yes, they can.
Can you speak German? (-)
No, I can't.
Can he draw? (+)
Yes, he can.
Can you write? (+)
Yes, I can.
Can we sing? (-)
No, we can't / No, you can't.
Can elephants climb trees? (-)
No, they can't.
Can a fish fly? (-)
No, it can't.
Can you swim? (+)
Yes, I can.
Can she sing? (+)
Yes, she can.
Can we draw? (+)
Yes, we can.
Can your mum speak Japanese? (-)
No, she can't.
Can it eat? (+)
Yes, it can.
Can he dance? (-)
No, he can't.
Can you read? (-)
No, I can't.